490303908

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^2\times {\mathrm{659}}^1$

素因数の和:838

約数の個数: 72

約数和(自身を含む): 1288610400

約数和(自身を除く): 798306492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 659, 747, 996, 1318, 1494, 1977, 2241, 2636, 2988, 3954, 4482, 5931, 6889, 7908, 8964, 11862, 13778, 17793, 20667, 23724, 27556, 35586, 41334, 54697, 62001, 71172, 82668, 109394, 124002, 164091, 186003, 218788, 248004, 328182, 372006, 492273, 656364, 744012, 984546, 1476819, 1969092, 2953638, 4539851, 5907276, 9079702, 13619553, 18159404, 27239106, 40858659, 54478212, 81717318, 122575977, 163434636, 245151954, 490303908]

約数ペア:

[(1, 490303908), (2, 245151954), (3, 163434636), (4, 122575977), (6, 81717318), (9, 54478212), (12, 40858659), (18, 27239106), (27, 18159404), (36, 13619553), (54, 9079702), (83, 5907276), (108, 4539851), (166, 2953638), (249, 1969092), (332, 1476819), (498, 984546), (659, 744012), (747, 656364), (996, 492273), (1318, 372006), (1494, 328182), (1977, 248004), (2241, 218788), (2636, 186003), (2988, 164091), (3954, 124002), (4482, 109394), (5931, 82668), (6889, 71172), (7908, 62001), (8964, 54697), (11862, 41334), (13778, 35586), (17793, 27556), (20667, 23724)]